Claudius By Lye 11 BCE Birth Period: 11 BCE to 37 Childhood and Early Life Period: 9 to 24 First Marriage Period: 28 to 31 Second Marriage 37 Co-Consulship Period: 38 to 48 Third Marriage 41 Appointment as Emperor Period: 41 to 54 Emperorship 43 Conquest of Britain Period: 49 to 54 Fourth Marriage 50 Adoption of Nero 54 Death